10 
EASTERN ETHIOPIA 
I 
extreme care in entering the harbour. The dangers 
encountered by a ship threading its way along this 
narrow channel were well illustrated at the time of my 
visit, for a steamship was lying high upon the reef 
immediately under the lighthouse, and as all efforts to 
remove the ship into deep water had proved unavailing, 
the vessel was being dismantled. 
The Castor-oil Plant {Ricinus communis) is sure to attract attention. 
It is instructive, also amusing, when the tide is low to 
walk over the reef among the half-exposed rocks nnd 
examine the marine life occupying the pools or lurking 
under the movable pieces of rock. Such pools and 
recesses are occupied by hundreds of crabs ; as they 
